77 lines
2.0 KiB
PHP
77 lines
2.0 KiB
PHP
<?php
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/**
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* 文件功能：创建 VIP 支付订单请求
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* 负责校验前台用户发起 VIP 购买时提交的会员等级参数
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*/
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namespace App\Http\Requests;
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use Illuminate\Foundation\Http\FormRequest;
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class CreateVipPaymentOrderRequest extends FormRequest
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{
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/**
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* 判断当前用户是否允许发起购买
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*/
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public function authorize(): bool
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{
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return $this->user() !== null;
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}
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/**
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* 获取字段校验规则
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*
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* @return array<string, array<int, string>>
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*/
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public function rules(): array
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{
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return [
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'vip_level_id' => ['required', 'integer', 'exists:vip_levels,id'],
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];
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}
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/**
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* 配置验证器实例。
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*
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* @param \Illuminate\Validation\Validator $validator
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* @return void
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*/
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public function withValidator($validator): void
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{
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$validator->after(function ($validator) {
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$user = $this->user();
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if (! $user || ! $user->isVip()) {
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return;
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}
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$vipLevelId = (int) $this->vip_level_id;
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$targetLevel = \App\Models\VipLevel::find($vipLevelId);
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if (! $targetLevel) {
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return;
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}
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$currentLevelId = (int) $user->vip_level_id;
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// 逻辑：允许续费当前等级，或购买更高等级。禁止降级。
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if ($vipLevelId !== $currentLevelId && ! $targetLevel->isHigherThan($currentLevelId)) {
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$validator->errors()->add('vip_level_id', '当前仅支持续费同级会员或补差价升级到更高等级，暂不支持降级购买。');
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}
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});
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}
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/**
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* 获取中文错误提示
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*
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* @return array<string, string>
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*/
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public function messages(): array
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{
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return [
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'vip_level_id.required' => '请选择要购买的 VIP 等级',
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'vip_level_id.exists' => '所选 VIP 等级不存在或已被删除',
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];
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}
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}
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